Zeromate

Zero faster. Think less. Shoot with confidence.
ZeroMate instantly translates your point-of-impact offset into the exact number of windage and elevation clicks you need on your scope, red-dot or iron sight. Whether you work in meters & centimetres or yards & inches, this free app does the heavy lifting—so you never reach for a calculator (or scratch your head doing mental math) at the range again.

Why you’ll love it
Scope click calculator – just enter distance-to-target and impact offset, tap Calculate, and dial the suggested clicks.

Metric ⇄ Imperial on the fly – seamlessly mix cm/m, in/yd, MOA, mil, IPHY.

Pre-loaded optic database & presets – choose popular scopes, red-dots and iron sights (or quick presets such as 1/3 MOA, 1/2 MOA, 0.1 mil).

Works offline once loaded – rock-solid even at remote ranges with no signal.

100 % free & ad-free – no paywalls, no subscriptions, no data harvesting.

Privacy-first – ZeroMate stores nothing about you, your firearm or your sessions; all calculations happen on-device.

How it works
Enter or select your optic’s click value (e.g. 0.25 MOA or 0.1 mil).

Type the distance to target and your shot group’s horizontal/vertical offset.

Tap Calculate to see the exact clicks for windage & elevation.

Dial, shoot, confirm—done.

Built for
Hunters, competitive shooters, instructors and armourers setting up new optics.

Travellers shooting abroad under unfamiliar unit systems.

Anyone who wants to spend more time shooting and less time scribbling numbers.

“ZeroMate turned a chore into a 2-minute routine. No more phone calculator at the bench!”

Safety first
Always verify the adjustment direction on your optic and follow firearm-safety rules. ZeroMate provides calculations; you are responsible for safe weapon handling.

This is not a ballistics calculator.
It does not calculate ballistic trajectories.

Popular optics supported
EOTECH, Trijicon, Holosun, Aimpoint, Schmidt & Bender, Vortex, Leupold, Nightforce, Zeiss, Swarovski Optik, Primary Arms, SIG Sauer Electro-Optics, Kahles, Bushnell, Burris, Athlon, Steiner, Meopta, Nikon, Vector Optics, UTG, Hawke, Barska.

ZeroMate is developed by shooters for shooters, committed to remaining lightweight, privacy-respectful and 100 % free. Download now and let the app handle the math—so you can focus on the next perfect shot.